Who We Are The Global Health Initiative seeks to effectively mobilize the capacities of the Mailman School and the wider Columbia University community. Annual Report Read about the latest developments in leadership, research, global partnerships, and education. ICAP Learn more about ICAP, a global health leader situated at Columbia University that works to improve the health of families and communities. Leaders GHI seeks to leverage the leadership of the Mailman School by promoting the visibility of its global health research, service programs and trainings. Events GHI leverages the leadership of the Mailman School and its collaborating partners to showcase knowledge and innovation.